Johnson Power Rankings
The world authority on 200+ mile ultramarathon running — weekly, data-driven, course-difficulty-adjusted.

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Ryoko Hirose

Women · Asia · b. 1980 (40-49) · provisional rating

Also seen as: Hirose, Ryoko

Ratings

Athlete ratings by board
BoardGenderRatingRankMove
ContinuousWomen492225• new
OverallWomen323297• new
Multi-day / TimedWomen34253• new

Why this rank

The Overall rating is the time-decayed mean of this athlete’s best 3 in-window performance scores (highlighted below). Each score = base × difficulty × field-strength × quality.

Career results (200+ mile tier)

(race) · · ?mi counts toward rating
place 44 · 1d 05:22:12 · difficulty ? · field ? · quality 0.64
156
(race) · · ?mi counts toward rating
place 8 · 1d 19:46:53 · difficulty ? · field ? · quality 0.56
136
(race) · · ?mi
place 5 · · difficulty ? · field ? · quality 0.32
26
(race) · · ?mi counts toward rating
place 5 · · difficulty ? · field ? · quality 0.32
27